锂-6玻璃闪烁体中Gd~(3+)-Ce~(3+)能量转移对发光性能的影响Effects of Gd~(3+)-Ce~(3+) Energy Transfer on Luminescent Properties of Lithium-6 Glass Scintillator
朱永昌;刘群;高祀建;滕伟锋;欧阳世翕;
摘要(Abstract)：
研究了锂-6玻璃闪烁体中Gd3+引入对其发光性能的影响,结果表明:锂-6玻璃闪烁中Gd3+的引入存在Gd3+→Ce3+能量转移机制,有利于提高玻璃闪烁体的发光强度,Gd3+的引入同时提高了玻璃闪烁体的光碱度,使发射波长产生了相应的红移,Stokes位移变大;Gd3+在锂-6玻璃闪烁中较佳掺杂范围在15%左右,过高会产生相应的浓度淬灭效应,反而不利于玻璃闪烁体的发光。
关键词(KeyWords)： 锂-6玻璃闪烁体;Ce3+;Gd3+;发光;能量转移
基金项目(Foundation): 国家自然科学基金资助项目(50672092)
作者(Author): 朱永昌;刘群;高祀建;滕伟锋;欧阳世翕;
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参考文献(References)：
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